diff options
Diffstat (limited to 'gnulib/lib/strtoimax.c')
-rw-r--r-- | gnulib/lib/strtoimax.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/gnulib/lib/strtoimax.c b/gnulib/lib/strtoimax.c new file mode 100644 index 0000000..82dc4f0 --- /dev/null +++ b/gnulib/lib/strtoimax.c @@ -0,0 +1,76 @@ +/* Convert string representation of a number into an intmax_t value. + + Copyright (C) 1999, 2001, 2002, 2003, 2004, 2006 Free Software + Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Paul Eggert. */ + +#include <config.h> + +/* Verify interface. */ +#include <inttypes.h> + +#include <stdlib.h> + +#include "verify.h" + +#ifdef UNSIGNED +# ifndef HAVE_DECL_STRTOULL +"this configure-time declaration test was not run" +# endif +# if !HAVE_DECL_STRTOULL && HAVE_UNSIGNED_LONG_LONG_INT +unsigned long long int strtoull (char const *, char **, int); +# endif + +#else + +# ifndef HAVE_DECL_STRTOLL +"this configure-time declaration test was not run" +# endif +# if !HAVE_DECL_STRTOLL && HAVE_LONG_LONG_INT +long long int strtoll (char const *, char **, int); +# endif +#endif + +#ifdef UNSIGNED +# define Have_long_long HAVE_UNSIGNED_LONG_LONG_INT +# define Int uintmax_t +# define Unsigned unsigned +# define strtoimax strtoumax +# define strtol strtoul +# define strtoll strtoull +#else +# define Have_long_long HAVE_LONG_LONG_INT +# define Int intmax_t +# define Unsigned +#endif + +Int +strtoimax (char const *ptr, char **endptr, int base) +{ +#if Have_long_long + verify (sizeof (Int) == sizeof (Unsigned long int) + || sizeof (Int) == sizeof (Unsigned long long int)); + + if (sizeof (Int) != sizeof (Unsigned long int)) + return strtoll (ptr, endptr, base); +#else + verify (sizeof (Int) == sizeof (Unsigned long int)); +#endif + + return strtol (ptr, endptr, base); +} |